/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.sysds.runtime.frame.data.columns;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import org.apache.hadoop.io.Writable;

public class ArrayWrapper implements Writable {

	public Array<?> _a; 

	public ArrayWrapper(Array<?> a){
		_a = a;
	}

	@Override
	public void write(DataOutput out) throws IOException {
		out.writeInt(_a.size());
		_a.write(out);
	}

	@Override
	public void readFields(DataInput in) throws IOException {
		int s = in.readInt();
		_a = ArrayFactory.read(in, s);
	}
	
}
